Chair



FIG. 1 is a perspective view of a chair showing my new design;

FIG. 2 is a slightly enlarged front view thereof;

FIG. 3 is a slightly enlarged back view thereof;

FIG. 4 is a slightly enlarged side view, the opposite side being a mirror image thereof; and,

FIG. 5 is a slightly enlarged top view. 

The ornamental design for a chair, as shown and described. 